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SubjectRe: [RESEND PATCH v6 3/6] i2c: designware: MASTER mode as separated driver
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On 02-Mar-17 13:41, Jarkko Nikula wrote:
> On 03/01/17 17:59, Luis Oliveira wrote:
>> - The functions related to I2C master mode of operation were transformed
>> in a single driver.
>> - Common definitions were moved to i2c-designware-core.h
>> - The i2c-designware-core is now only a library file, the functions
>> associated are in a source file called i2c-designware-common and
>> are used by both i2c-designware-master and i2c-designware-slave.
>> - To decrease noise in namespace common i2c_dw_*() functions are
>> now using ops to keep them private.
>>
>> Almost all of the "core" source is now part of the "master" source. The
>> difference is the functions used by both modes and they are in the
>> "common" source file.
>>
>> Signed-off-by: Luis Oliveira <lolivei@synopsys.com>
>> Acked-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
>> ---
>> V5->V6
>> - Now using ops
>>
>> drivers/i2c/busses/Makefile | 1 +
>> drivers/i2c/busses/i2c-designware-common.c | 274 +++++++++++++++
>> drivers/i2c/busses/i2c-designware-core.h | 140 +++++++-
>> ...c-designware-core.c => i2c-designware-master.c} | 367 +--------------------
>> drivers/i2c/busses/i2c-designware-platdrv.c | 6 +-
>> 5 files changed, 423 insertions(+), 365 deletions(-)
>> create mode 100644 drivers/i2c/busses/i2c-designware-common.c
>> rename drivers/i2c/busses/{i2c-designware-core.c => i2c-designware-master.c}
>> (64%)
>>
> ...
>> diff --git a/drivers/i2c/busses/i2c-designware-core.h
>> b/drivers/i2c/busses/i2c-designware-core.h
>> index 1a010730be43..35d7264d9e3a 100644
>> --- a/drivers/i2c/busses/i2c-designware-core.h
>> +++ b/drivers/i2c/busses/i2c-designware-core.h
>> @@ -40,6 +40,124 @@
> ...
>> /**
>> * struct dw_i2c_dev - private i2c-designware data
>> @@ -125,15 +243,31 @@ struct dw_i2c_dev {
>> int (*acquire_lock)(struct dw_i2c_dev *dev);
>> void (*release_lock)(struct dw_i2c_dev *dev);
>> bool pm_runtime_disabled;
>> + void (*disable)(struct dw_i2c_dev *dev);
>> + void (*disable_int)(struct dw_i2c_dev *dev);
>> + int (*init)(struct dw_i2c_dev *dev);
>
> Please move kernel doc comments for these members from patch 4/6 here. Adding
> new members and comments should go together.

I will. Thanks
>
>> diff --git a/drivers/i2c/busses/i2c-designware-platdrv.c
>> b/drivers/i2c/busses/i2c-designware-platdrv.c
>> index 206dea03b0d0..671bdc0fdb24 100644
>> --- a/drivers/i2c/busses/i2c-designware-platdrv.c
>> +++ b/drivers/i2c/busses/i2c-designware-platdrv.c
> ...
>> @@ -347,7 +347,7 @@ static int dw_i2c_plat_suspend(struct device *dev)
>> struct platform_device *pdev = to_platform_device(dev);
>> struct dw_i2c_dev *i_dev = platform_get_drvdata(pdev);
>>
>> - i2c_dw_disable(i_dev);
>> + dev->disable(i_dev);
>> i2c_dw_plat_prepare_clk(i_dev, false);
>
> This doesn't compile. Looks like copy-paste from your dw_i2c_plat_remove()
> change but here you must access through the i_dev.

It's true! sorry, I forgot to change the "i_dev". And with the CONFIG_PM not
defined I didn't get the compile error.
>
> You need to convert also the i2c-designware-pcidrv.c.

I will check that
>

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